Home / 96,945.52-133,782.20-54,506.78

Finding the Fourth Proportional to 96,945.52, 133,782.20 and 54,506.78

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Solution

The fourth proportional to 96,945.52, 133,782.20 and 54,506.78 is: 75,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,945.52 : 133,782.20 = 54,506.78 : x
  2. Step 2: Convert to fraction form
    96,945.52/133,782.20 = 54,506.78/x
  3. Step 3: Cross multiply
    96,945.52x = 133,782.20 × 54,506.78
  4. Step 4: Simplify right side
    96,945.52x = 7,292,036,943.32
  5. Step 5: Solve for x
    x = 7,292,036,943.32/96,945.52
  6. Step 6: Final answer
    x = 75,217.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.